Finding the Fourth Proportional to 10,017.68, 13,823.36 and 5,767.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,017.68 : 13,823.36 = 5,767.91 : x
2. Step 2: Convert to fraction form
   10,017.68/13,823.36 = 5,767.91/x
3. Step 3: Cross multiply
   10,017.68x = 13,823.36 × 5,767.91
4. Step 4: Simplify right side
   10,017.68x = 79,731,871.89
5. Step 5: Solve for x
   x = 79,731,871.89/10,017.68
6. Step 6: Final answer
   x = 7,959.12